:root{--bg:#f7f9fc;--panel:#ffffff;--panel2:#eff3f9;--panel3:#e4eaf3;--line:#dbe2ec;--line-strong:#c3ccda;--ink:#1f2733;--ink-soft:#4a566a;--muted:#68758a;--faint:#93a0b3;--accent:#1f6feb;--accent-soft:#e8f0fe;--accent-ring:#bcd4fb;--accent2:#b3701b;--wm-a:#1442a8;--wm-b:#1682c4;--wm-hot:#22b4e8;--wm-glow:rgba(31,111,235,.22);--good:#a96e0e;--good-hover:#925e0b;--good-glow:rgba(169,110,14,.3);--good-ink:#ffffff;--bad:#c0392b;--bad-hover:#a93226;--bad-soft:#fdecea;--bad-line:#f0b8b1;--bad-glow:rgba(192,57,43,.28);--scrim:rgba(16,24,40,.42);--hint-bg:rgba(255,255,255,.92);--zero-cell:#c2cad6;--shadow-1:0 1px 1px rgba(16,24,40,.04), 0 1px 2px rgba(16,24,40,.06);--shadow-2:0 1px 2px rgba(16,24,40,.06), 0 4px 12px rgba(16,24,40,.08);--shadow-3:0 2px 4px rgba(16,24,40,.06), 0 12px 32px rgba(16,24,40,.16);--canvas-shadow:rgba(16,24,40,.13);--r-sm:6px;--r:8px;--r-lg:12px;--hdr:52px;--rail:184px;--inspector:300px;--inspector-math:420px;--cv-grid-major:#c3ccd8;--cv-grid-minor:#dde3ec;--cv-wire:#55627a;--cv-ink:#2b3440;--cv-body:#ffffff;--cv-label:#7a879b;--cv-accent:#1f6feb;--cv-junction:#55627a;--cv-current:#3dff4e;--cv-panel-bg:rgba(252,253,255,.96);--cv-panel-line:#ccd5e2;--cv-panel-ink:#2b3440;--cv-plot-grid:#e6ebf3;--cv-zero-line:#aab6c8;--cv-sel-v:#2b3440;--cv-sel-i:#3dff4e;--cv-mcu-on:#a4670f;--cv-mcu-off:#eef2f7;--cv-mcu-on-ink:#ffffff;--cv-seg-on:#d8382c;--cv-seg-off:#e9edf3;--cv-highlight:#ffe487;--cv-sel-body:#eaf1fe;--cv-charge-pos:#e0483a;--cv-charge-neg:#3f6ee0;--cv-v-high:#d23a34;--cv-v-low:#236ad9}:root[data-theme=dark]{--bg:#1b1f27;--panel:#232833;--panel2:#2b3140;--panel3:#343b4c;--line:#363d4d;--line-strong:#4b5468;--ink:#e4e8ef;--ink-soft:#c2cad8;--muted:#8f9aac;--faint:#6d7889;--accent:#5b9cff;--accent-soft:#23304a;--accent-ring:#37507f;--accent2:#e0a04a;--wm-a:#4b8cf5;--wm-b:#49d8ff;--wm-hot:#e8fbff;--wm-glow:rgba(90,180,255,.45);--good:#d99a2b;--good-hover:#e6a638;--good-glow:rgba(217,154,43,.34);--good-ink:#1b1f27;--bad:#e05c4e;--bad-hover:#e86d60;--bad-soft:#37262a;--bad-line:#5c3a37;--bad-glow:rgba(224,92,78,.3);--scrim:rgba(8,10,15,.6);--hint-bg:rgba(35,40,51,.92);--zero-cell:#4a5364;--shadow-1:0 1px 1px rgba(0,0,0,.2), 0 1px 2px rgba(0,0,0,.24);--shadow-2:0 1px 2px rgba(0,0,0,.24), 0 4px 12px rgba(0,0,0,.3);--shadow-3:0 2px 4px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.5);--canvas-shadow:rgba(0,0,0,.4);--cv-grid-major:#3f4757;--cv-grid-minor:#2b3241;--cv-wire:#8b97ad;--cv-ink:#d7dde7;--cv-body:#232833;--cv-label:#96a1b3;--cv-accent:#5b9cff;--cv-junction:#8b97ad;--cv-current:#3dff4e;--cv-panel-bg:rgba(35,40,51,.96);--cv-panel-line:#3c4455;--cv-panel-ink:#dde3ec;--cv-plot-grid:#313847;--cv-zero-line:#5a6479;--cv-sel-v:#d7dde7;--cv-sel-i:#3dff4e;--cv-mcu-on:#e0a04a;--cv-mcu-off:#2b3140;--cv-mcu-on-ink:#111620;--cv-seg-on:#ff5546;--cv-seg-off:#353d4e;--cv-highlight:#6b5a1f;--cv-sel-body:#25334c;--cv-charge-pos:#ff6b5e;--cv-charge-neg:#5b9cff;--cv-v-high:#ff6b5e;--cv-v-low:#5b9cff}:root[data-theme=dark] ::selection{background:var(--accent-soft)}:root[data-theme=dark]{color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);overflow:hidden;overscroll-behavior:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#app{display:grid;grid-template-columns:var(--rail) 1fr var(--inspector);grid-template-rows:calc(var(--hdr) + env(safe-area-inset-top,0px)) 1fr;height:100vh;height:100dvh}#app.mathmode{grid-template-columns:var(--rail) 1fr var(--inspector-math)}@media (max-width:1320px){:root{--rail:156px;--inspector:268px;--inspector-math:380px}.railgroup{padding:0 6px}.tool svg{width:22px;height:22px}}.ic{width:17px;height:17px;flex:0 0 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var(--wm-glow))}.wordmark{font-family:Arial Black,Segoe UI Black,Helvetica Neue,-apple-system,BlinkMacSystemFont,Roboto,sans-serif;font-weight:900;font-size:1.08em;letter-spacing:.055em;text-transform:uppercase;font-style:normal;background:linear-gradient(100deg,var(--wm-a) 0%,var(--wm-a) 32%,var(--wm-b) 44%,var(--wm-hot) 50%,var(--wm-b) 56%,var(--wm-a) 68%,var(--wm-a) 100%);background-size:280% 100%;background-position:120% 0;color:var(--accent)}@supports ((-webkit-background-clip:text) or (background-clip:text)){.wordmark{-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;filter:drop-shadow(0 0 6px var(--wm-glow));animation:wm-charge 7s linear infinite}}@keyframes wm-charge{to{background-position:-160% 0}}@media (prefers-reduced-motion:reduce){.wordmark{animation:none}}.brandsub{font-weight:500;font-size:13px;color:var(--muted);letter-spacing:0}.brandsub:before{content:"";display:inline-block;width:1px;height:12px;margin:0 8px -1px 2px;background:var(--line)}@media (max-width:1360px){#app>header .brand b{display:none}}@media (max-width:1180px){#app>header .brand{display:none}}@media (max-width:1400px) and (min-width:761px){.hgroup .btn span{display:none}.hgroup .btn{width:32px;padding:0;justify-content:center}.selwrap select{max-width:118px}#accountBtn span{display:inline}#accountBtn{width:auto;padding:0 10px}}#accountLabel{max-width:12ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}header .sep{flex:1}.hgroup{display:flex;align-items:center;gap:4px;padding-left:10px;border-left:1px solid var(--line);height:26px}.hgroup:first-of-type{border-left:none;padding-left:0}.btn{background:var(--panel);color:var(--ink-soft);border:1px solid var(--line);border-radius:var(--r);padding:0 10px;height:32px;cursor:pointer;font-size:13px;font-weight:500;font-family:inherit;display:inline-flex;align-items:center;gap:6px;box-shadow:var(--shadow-1);transition:background .12s,border-color .12s,color .12s,box-shadow .12s;white-space:nowrap}.btn:hover{border-color:var(--line-strong);background:var(--panel2);color:var(--ink)}.btn:active{background:var(--panel3);box-shadow:none}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.btn[disabled]{opacity:.38;pointer-events:none}.btn.icon{width:32px;padding:0;justify-content:center;border-color:transparent;box-shadow:none;background:transparent}.btn.icon:hover{background:var(--panel2);border-color:transparent}.btn.icon.danger:hover{background:var(--bad-soft);color:var(--bad)}.btn.primary{background:var(--good);border-color:var(--good);color:var(--good-ink);font-weight:600;box-shadow:0 1px 2px var(--good-glow),0 2px 8px var(--good-glow);padding:0 14px}.btn.primary:hover{background:var(--good-hover);border-color:var(--good-hover);color:var(--good-ink)}#runBtn{--good:#1a7f45;--good-hover:#17703d;--good-glow:rgba(26,127,69,.28);--good-ink:#ffffff}:root[data-theme=dark] 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select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.selwrap .chev{position:absolute;right:8px;width:14px;height:14px;color:var(--faint);pointer-events:none;transform:rotate(90deg)}.pill{display:inline-flex;align-items:center;white-space:nowrap;font-size:11px;font-weight:500;padding:3px 9px;border-radius:20px;background:var(--panel2);border:1px solid var(--line);color:var(--muted);font-variant-numeric:tabular-nums}#rail{grid-row:2;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}.railsearch{position:relative;display:flex;align-items:center;flex:0 0 auto;padding:10px 10px 8px;border-bottom:1px solid var(--line)}.railsearch .ic{position:absolute;left:19px;width:14px;height:14px;color:var(--faint);pointer-events:none}.railsearch input{width:100%;height:30px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);padding:0 8px 0 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solid var(--line);border-radius:var(--r-sm);background:var(--bg)}table.mna{border-collapse:collapse;font-family:ui-monospace,monospace;font-size:10px}table.mna th{color:var(--accent);font-weight:600;padding:4px 6px;text-align:right;white-space:nowrap}table.mna td{padding:4px 6px;text-align:right;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}table.mna td.z{color:var(--zero-cell)}table.mna .rhs{border-left:1px solid var(--line);color:var(--accent2)}#railGroups::-webkit-scrollbar,#inspector::-webkit-scrollbar,.sheet::-webkit-scrollbar{width:10px}#railGroups::-webkit-scrollbar-thumb,#inspector::-webkit-scrollbar-thumb,.sheet::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px;border:3px solid var(--panel)}#railGroups::-webkit-scrollbar-thumb:hover,#inspector::-webkit-scrollbar-thumb:hover{background:var(--line-strong)}@media (max-width:760px){#app{grid-template-columns:1fr;grid-template-rows:calc(var(--hdr) + env(safe-area-inset-top,0px)) 66px 1fr 36vh}header{grid-column:1;gap:6px;padding:0 10px;overflow-x:auto;overflow-y:hidden}header::-webkit-scrollbar{display:none}#app>header .brand{display:none}.galhead .brandsub{display:none}.aboutmosaic.ready{opacity:.1}:root[data-theme=dark] .aboutmosaic.ready{opacity:.2}.hscroll{display:contents}header .sep{flex:0 0 2px}header .btn,.hgroup,.selwrap{flex:0 0 auto}.hgroup{padding-left:6px;gap:2px}#runBtn{order:-3}#resetBtn{order:-2}#nodeCount{order:-1}#rail{grid-row:2;grid-column:1;flex-direction:row;align-items:center;border-right:none;border-bottom:1px solid var(--line);overflow:hidden}.railsearch{flex:0 0 128px;padding:0 8px;border-bottom:none;border-right:1px solid var(--line);align-self:stretch}.railsearch .ic{left:17px}.railsearch input{height:34px}#railGroups{display:flex;flex-direction:row;align-items:center;padding:0 4px;overflow-x:auto;overflow-y:hidden;height:100%}#railGroups::-webkit-scrollbar{display:none}.railgroup{display:flex;align-items:center;border-left:1px solid var(--line);padding:0 0 0 4px;margin-left:4px}.railgroup:first-child{border-left:none;margin-left:0;padding-left:0}.grouphead{display:none}.railgroup:not(.open) .grid{display:flex}.railgroup .grid{display:flex;flex-direction:row;gap:2px}.tool{aspect-ratio:auto;width:50px;height:54px;flex:0 0 auto}.railempty{padding:0 12px;white-space:nowrap;align-self:center}.railnote{display:none}#stage{grid-row:3;grid-column:1}#inspector{grid-row:4;grid-column:1;border-left:none;border-top:1px solid var(--line);padding:12px 12px calc(12px + env(safe-area-inset-bottom,0px))}#inspectorToggle .ic{transform:rotate(90deg)}#app.panel-shut #inspectorToggle .ic{transform:rotate(-90deg)}#app.panel-shut{grid-template-rows:calc(var(--hdr) + env(safe-area-inset-top,0px)) 66px 1fr auto}#app.panel-shut #inspector{padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px))}#app.panel-shut #inspectorToggle{justify-content:flex-start;padding:6px 9px;margin:0}#app.panel-shut #inspectorToggleLabel{display:inline}#hint{left:10px;right:10px;top:10px;max-width:none}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}